On Tue, Mar 18, 2025 at 04:13:26PM -0400, Andres Freund wrote:
> Hi,
>
> On 2025-03-18 16:08:22 -0400, Bruce Momjian wrote:
> > This commit makes our default random_page_cost = 4 out of line with
> > these new settings (assumes modern SSD/NAS/SAN hardware) and more out of
> > line with reality.
>
> How so? That seems like an independent consideration to me.
[thread moved to hackers]
Uh, I think our old random_page_cost and *_io_concurrency assumed
magnetic disks --- now *_io_concurrency assumes more modern hardware and
random_page_cost assumes magnetic.
--
Bruce Momjian <bruce@momjian.us> https://momjian.us
EDB https://enterprisedb.com
Do not let urgent matters crowd out time for investment in the future.